Finding the Fourth Proportional to 1,326,121.81, 1,989,196.61 and 1,061,564.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,326,121.81 : 1,989,196.61 = 1,061,564.06 : x
2. Step 2: Convert to fraction form
   1,326,121.81/1,989,196.61 = 1,061,564.06/x
3. Step 3: Cross multiply
   1,326,121.81x = 1,989,196.61 × 1,061,564.06
4. Step 4: Simplify right side
   1,326,121.81x = 2,111,659,629,115.01
5. Step 5: Solve for x
   x = 2,111,659,629,115.01/1,326,121.81
6. Step 6: Final answer
   x = 1,592,357.22